var obj = [];
tmp = { 'title': 'event-1', 'start': '2018-09-05T12:30:00', 'end': '2018- 09-05T13:15:00', 'allDay': false };
tmp += { 'title': 'event-2', 'start': '2018-09-05T15:30:00', 'end': '2018-09-05T16:00:00', 'allDay': false };
tmp += { 'title': 'event-4', 'start': '2018-09-06T15:30:00', 'end': '2018-09-06T16:00:00', 'allDay': false };
obj.push(tmp);
$('#calendar').fullCalendar('events', events);